Seniors at Johns Hopkins University invent a quieter leaf blower

Описание к видео Seniors at Johns Hopkins University invent a quieter leaf blower

Whether you live in a neighborhood or an apartment complex, it's hard to escape the uncomfortable sounds of yard work.

Four seniors at Johns Hopkins University, with support from Stanley Black & Decker, had the task of quieting a leaf blower without reducing its power.

But Andrew Palacio says it wasn't easy.

READ MORE: https://www.wmar2news.com/local/senio...

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